O'Sullivan survives scare in dramatic Masters semi-final, US Tennis star John Isner wins his first ATP title, and victory for skier Kathrin Zettel

Snooker

No sexing up or razzmatazz was needed to take the snooze out of snooker at
Wembley Arena when Ronnie O'Sullivan defeated MarkWilliams 6-5 in a Masters
semi-final of dramatic brilliance.

O'Sullivan's quality was to be expected, but the revelation was Williams, who
reproduced the form that brought him two world titles, in 2000 and 2003. For
several years, he has been in the doldrums and being an instinctive player
was unable to work out why or how to arrest his decline. He is back to his
scintillating best.

O'Sullivan, who later admitted he was 'petrified every time I go out to play,
worried that I'll make a fool of myself', soon realised he was in for a hard
match.Williams took the first frame with a century break.

Seizing on a careless error byWilliams, O'Sullivan, who will now play
Scotland's Stephen Maguire or England's Mark Selby, took the third and